7(2a-b)-7(2b-8a)=

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Solution for 7(2a-b)-7(2b-8a)= equation:


Simplifying
7(2a + -1b) + -7(2b + -8a) = 0
(2a * 7 + -1b * 7) + -7(2b + -8a) = 0
(14a + -7b) + -7(2b + -8a) = 0

Reorder the terms:
14a + -7b + -7(-8a + 2b) = 0
14a + -7b + (-8a * -7 + 2b * -7) = 0
14a + -7b + (56a + -14b) = 0

Reorder the terms:
14a + 56a + -7b + -14b = 0

Combine like terms: 14a + 56a = 70a
70a + -7b + -14b = 0

Combine like terms: -7b + -14b = -21b
70a + -21b = 0

Solving
70a + -21b = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '21b' to each side of the equation.
70a + -21b + 21b = 0 + 21b

Combine like terms: -21b + 21b = 0
70a + 0 = 0 + 21b
70a = 0 + 21b
Remove the zero:
70a = 21b

Divide each side by '70'.
a = 0.3b

Simplifying
a = 0.3b

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